:root{
  --glacier:#c4b5fd;
  --glacier-soft:#ded7fe;
  --deep:#1e3a8a;
  --deep-2:#132a63;
  --ink:#0d1633;
  --snow:#f7f8ff;
  --silver:#a8b0cc;
  --line:rgba(196,181,253,.35);
  --shadow:0 18px 40px -18px rgba(30,58,138,.55);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  background:linear-gradient(160deg,#f7f8ff 0%,#eef0ff 45%,#e6e9fb 100%);
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,92vw);margin:0 auto}
section{padding:64px 0}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(90deg,rgba(19,42,99,.96),rgba(30,58,138,.92) 55%,rgba(196,181,253,.85));
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(196,181,253,.35);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;letter-spacing:.5px}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--glacier),var(--deep));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.4),0 8px 20px -8px rgba(0,0,0,.6);
  display:grid;place-items:center;font-size:17px;
}
.brand small{display:block;font-size:11px;font-weight:400;color:rgba(255,255,255,.7);letter-spacing:2px}
.nav-links{display:flex;flex-wrap:wrap;gap:6px}
.nav-links a{
  color:rgba(255,255,255,.85);padding:8px 14px;border-radius:8px;font-size:14.5px;
  transition:.25s;border:1px solid transparent;
}
.nav-links a:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.28)}

/* ============ HERO ============ */
#hero{
  position:relative;overflow:hidden;padding:0;
  background:linear-gradient(150deg,#132a63 0%,#1e3a8a 45%,#5b53c9 78%,#c4b5fd 100%);
}
#hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 320px at 12% 20%,rgba(255,255,255,.20),transparent 70%),
    radial-gradient(520px 300px at 88% 78%,rgba(196,181,253,.35),transparent 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;
  gap:44px;align-items:center;padding:74px 0 78px;
}
.hero-copy h1{color:#fff;font-size:clamp(28px,3.6vw,44px);line-height:1.28;letter-spacing:.5px}
.hero-copy .tagline{
  display:inline-block;margin-bottom:18px;padding:6px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  color:#e9e6ff;font-size:13px;letter-spacing:2px;
}
.hero-copy p{color:rgba(255,255,255,.88);margin-top:18px;font-size:16px;max-width:56ch}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{
  display:inline-block;padding:13px 28px;border-radius:10px;font-size:15px;font-weight:600;
  transition:.28s;border:1px solid transparent;
}
.btn-primary{background:linear-gradient(120deg,#e6e1ff,#c4b5fd);color:#132a63;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 46px -18px rgba(0,0,0,.7)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.hero-visual{position:relative}
.hero-visual img{
  border-radius:16px;width:100%;height:392px;object-fit:cover;
  border:1px solid rgba(255,255,255,.35);
  box-shadow:0 30px 60px -24px rgba(0,0,0,.75);
}
.hero-float{
  position:absolute;left:-16px;bottom:24px;background:rgba(255,255,255,.92);
  border-radius:12px;padding:14px 20px;box-shadow:var(--shadow);border:1px solid var(--line);
}
.hero-float b{display:block;font-size:22px;color:var(--deep)}
.hero-float span{font-size:12.5px;color:#5b6484}

/* ============ GEO ============ */
#geo-intro{background:#fff;border-top:1px solid var(--line)}
.geo-\boxed{
  background:linear-gradient(135deg,#f4f2ff,#eaf0ff);
  border:1px solid var(--line);border-radius:16px;padding:34px 36px;box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.geo-box::before{
  content:"";position:absolute;top:-60px;right:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,181,253,.55),transparent 70%);
}
.eyebrow{font-size:12.5px;letter-spacing:3px;color:var(--deep);font-weight:700;margin-bottom:10px}
.geo-box h2{font-size:26px;color:var(--deep-2);margin-bottom:14px}
.geo-box p{color:#3b4568;font-size:15.5px;position:relative;z-index:2}
.geo-box p+p{margin-top:12px}

/* ============ SECTION HEAD ============ */
.sec-head{text-align:center;margin-bottom:38px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);color:var(--deep-2)}
.sec-head p{color:#5b6484;font-size:14.5px;margin-top:8px}
.sec-head .line{
  width:64px;height:3px;margin:14px auto 0;border-radius:3px;
  background:linear-gradient(90deg,var(--glacier),var(--deep));
}

/* ============ DATA STATS ============ */
#data-stats{background:linear-gradient(135deg,#132a63,#1e3a8a 55%,#3b3fae);color:#fff}
#data-stats .sec-head h2{color:#fff}
#data-stats .sec-head p{color:rgba(255,255,255,.72)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);
  border-radius:14px;padding:26px 22px;text-align:center;backdrop-filter:blur(6px);
}
.stat b{display:block;font-size:32px;color:var(--glacier-soft);letter-spacing:.5px}
.stat span{font-size:13.5px;color:rgba(255,255,255,.78)}

/* ============ CARD GRID ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow);transition:.3s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);box-shadow:0 26px 50px -20px rgba(30,58,138,.6)}
.card img{width:100%;height:172px;object-fit:cover;border-radius:10px 10px 0 0}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17.5px;color:var(--deep-2);margin-bottom:10px}
.card-body p{font-size:14.4px;color:#4a5474;flex:1}
.chip{
  display:inline-block;margin-top:16px;align-self:flex-start;font-size:12.5px;
  padding:5px 13px;border-radius:999px;background:#eef0ff;color:var(--deep);border:1px solid var(--line);
}

/* ============ ADVANTAGES ============ */
#core-advantages{background:#fff}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv{
  border:1px solid var(--line);border-radius:14px;padding:26px 24px;
  background:linear-gradient(150deg,#fbfbff,#eef1ff);box-shadow:var(--shadow);
}
.adv .ico{font-size:26px;margin-bottom:12px}
.adv h3{font-size:17px;color:var(--deep-2);margin-bottom:8px}
.adv p{font-size:14.3px;color:#4a5474}

/* ============ STORY ============ */
#brand-story{background:linear-gradient(135deg,#eef0ff,#f7f8ff)}
.story-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center}
.story-wrap img{border-radius:16px;height:340px;width:100%;object-fit:cover;border:1px solid var(--line);box-shadow:var(--shadow)}
.story-wrap h2{font-size:26px;color:var(--deep-2);margin-bottom:14px}
.story-wrap p{color:#454f70;font-size:15.3px;margin-bottom:12px}
.story-list{list-style:none;margin-top:16px}
.story-list li{
  padding:9px 0 9px 28px;position:relative;font-size:14.6px;color:#3b4568;
  border-bottom:1px dashed var(--line);
}
.story-list li::before{content:"◆";position:absolute;left:4px;color:var(--glacier);font-size:12px}

/* ============ EVENTS ============ */
#featured-events{background:#fff}
.event-row{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  border:1px solid var(--line);border-radius:12px;padding:18px 24px;margin-bottom:14px;
  background:linear-gradient(90deg,#fbfbff,#f2f4ff);transition:.25s;
}
.event-row:hover{border-color:var(--glacier);box-shadow:var(--shadow)}
.event-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.event-meta .dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--glacier),var(--deep))}
.event-meta strong{font-size:16px;color:var(--deep-2)}
.event-meta span{font-size:13.5px;color:#6a7391}
.event-tag{
  font-size:12.5px;padding:5px 13px;border-radius:999px;
  background:linear-gradient(120deg,var(--glacier),#a99bf5);color:#132a63;font-weight:600;white-space:nowrap;
}

/* ============ NEWS ============ */
#news-list{background:linear-gradient(135deg,#132a63,#1e3a8a 60%,#4c46b8);color:#fff}
#news-list .sec-head h2{color:#fff}
#news-list .sec-head p{color:rgba(255,255,255,.72)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.22);
  border-radius:14px;padding:22px;backdrop-filter:blur(8px);transition:.3s;
}
.news-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.15)}
.news-date{
  display:inline-block;font-size:12.5px;padding:4px 12px;border-radius:999px;
  background:rgba(196,181,253,.28);border:1px solid rgba(255,255,255,.3);color:#efeaff;margin-bottom:12px;
}
.news-card h3{font-size:16.5px;color:#fff;margin-bottom:10px;line-height:1.5}
.news-card p{font-size:14px;color:rgba(255,255,255,.82)}
.news-more{display:block;margin:26px auto 0}
.news-more a{
  display:inline-block;padding:11px 26px;border-radius:10px;border:1px solid rgba(255,255,255,.4);
  color:#fff;font-size:14.5px;transition:.25s;
}
.news-more a:hover{background:rgba(255,255,255,.16)}

/* ============ FAQ ============ */
#faq{background:#fff}
.faq-item{
  border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden;
  background:linear-gradient(140deg,#fbfbff,#f1f3ff);
}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--deep-2);
  display:flex;justify-content:space-between;gap:14px;align-items:center;
  font-family:inherit;
}
.faq-q .sign{
  flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--glacier),var(--deep));color:#fff;font-size:15px;
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-a p{padding:0 22px 20px;color:#4a5474;font-size:14.6px}
.faq-item.open .faq-a{max-height:420px}

/* ============ CTA ============ */
#cta{
  background:linear-gradient(120deg,#c4b5fd 0%,#6a63cf 45%,#1e3a8a 100%);
  text-align:center;color:#fff;
}
#cta h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:14px}
#cta p{max-width:64ch;margin:0 auto 26px;color:rgba(255,255,255,.88);font-size:15.4px}

/* ============ SUPPORT ============ */
#support{background:#fff}
.sup-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sup{
  border:1px solid var(--line);border-radius:12px;padding:24px 20px;text-align:center;
  background:linear-gradient(160deg,#fdfdff,#eef1ff);box-shadow:var(--shadow);
}
.sup .ico{font-size:24px;margin-bottom:10px}
.sup h3{font-size:16px;color:var(--deep-2);margin-bottom:6px}
.sup p{font-size:13.6px;color:#5b6484}

/* ============ FOOTER ============ */
.site-footer{background:linear-gradient(135deg,#0b1330,#132a63 60%,#1e3a8a);color:rgba(255,255,255,.82);padding:52px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.16)}
.foot-grid h4{color:#fff;font-size:16px;margin-bottom:14px}
.foot-grid ul{list-style:none}
.foot-grid li{font-size:14px;padding:5px 0}
.foot-grid a:hover{color:var(--glacier)}
.foot-brand{display:flex;gap:12px;align-items:flex-start}
.foot-brand p{font-size:14px;margin-top:10px;color:rgba(255,255,255,.7)}
.foot-bottom{text-align:center;padding-top:22px;font-size:13.2px;color:rgba(255,255,255,.62);line-height:2}
.foot-bottom a{color:var(--glacier)}

/* ============ RESPONSIVE ============ */
@media(max-width:960px){
  .hero-grid,.story-wrap{grid-template-columns:1fr}
  .grid-3,.news-grid,.adv-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid,.sup-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  .nav-inner{flex-direction:column;align-items:flex-start}
}
@media(max-width:620px){
  .grid-3,.news-grid,.adv-grid,.stat-grid,.sup-grid{grid-template-columns:1fr}
  section{padding:48px 0}
  .geo-\boxed{padding:26px 22px}
}